Anaemia
Heart Checks
Vitamins - Minerals
Homocysteine LIS Code: HCY-I
Private homocysteine blood test £69: a marker linked to heart health and low B12, folate or B6. Fasting sample, no GP referral. Slough, Victoria, Neasden.
£69
Blood sample
Results in 5 days
Before your test
Any time of dayBook whichever slot suits you
Fast for 8 to 12 hoursNo food beforehand; plain water is fine
About 5 minutesA quick sample taken from your arm
Results onlineIn your secure online account, with the lab's reference ranges
Where you can test: SloughVictoriaNeasdenHome visit
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No GP referralbook directly
£69
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⏱ Results in 5 days
· LIS: HCY-I
ℹ️ TAT begins when your sample is received at our lab.
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Phlebotomy Fee: £25
A one-off £25 phlebotomy fee applies per visit — this covers your blood draw regardless of how many tests you book in the same appointment.
Test Categories
Anaemia
Heart Checks
Vitamins - Minerals
Cardiovascular Disease
Cardiovascular Risk
Metabolism
Nutrition
About this test
Homocysteine is an amino acid your body makes when it breaks down protein. Vitamins B12, B6 and folate normally convert it into other useful substances, so it stays at a low level. When it builds up, it can be a sign that you're short of one of those vitamins, and raised levels are linked with a higher risk of heart disease, stroke and blood clots.
Why people have a homocysteine test
- Heart and circulation risk, especially with a family history of early heart disease or stroke, alongside a cholesterol (lipid) profile.
- Checking B vitamin status, as homocysteine often rises before B12 or folate levels look clearly low.
- Tiredness, low mood, memory problems or tingling in the hands and feet, which can come with low B12.
- A history of blood clots or pregnancy complications, as advised by your doctor.
- Diets low in animal foods, such as vegan diets, where B12 can run low.
What can raise homocysteine
- Low vitamin B12, folate or B6, the most common and most treatable causes.
- Reduced kidney function.
- Smoking, heavy drinking and a lot of coffee.
- An underactive thyroid.
- Inherited changes in the MTHFR gene, which affect how folate is used. These can be checked with our MTHFR C677T and MTHFR A1298C tests.
A raised result is a reason to look for the cause rather than a diagnosis in itself. Testing vitamin B12 and folate at the same time usually shows where to start.
Preparing for your test
- Fast for 8 to 12 hours beforehand; plain water is fine. A large, protein-rich meal can raise the result for a few hours.
- A morning appointment is easiest, so you can fast overnight.
How it works at VitaLync
- £69 for the test, plus a £25 blood draw at our Slough, Victoria or Neasden clinic, or a nurse visit at home or work.
- The laboratory usually reports homocysteine within about 5 days, and your result appears in your secure online account with the laboratory's reference range.
- If your result is raised, you can book a GP consultation to go through it and plan next steps.
